/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.weld.discovery;
import java.io.IOException;
import java.util.Collections;
import org.jboss.as.server.deployment.annotation.CompositeIndex;
import org.jboss.jandex.Index;
import org.jboss.jandex.Indexer;
class IndexUtils {
static CompositeIndex createIndex(Object... resources) throws IOException {
final ClassLoader classLoader = IndexUtils.class.getClassLoader();
final Indexer indexer = new Indexer();
for (Object resource : resources) {
addResource(resource, indexer, classLoader);
}
final Index index = indexer.complete();
return new CompositeIndex(Collections.singleton(index));
}
private static void addResource(Object resource, Indexer indexer, ClassLoader classLoader) throws IOException {
final String resourceName;
if (resource instanceof Class<?>) {
resourceName = ((Class<?>) resource).getName().replace(".", "/") + ".class";
} else if (resource instanceof String) {
resourceName = resource.toString();
} else {
throw new IllegalArgumentException("Unsupported resource type");
}
indexer.index(classLoader.getResourceAsStream(resourceName));
if (resource instanceof Class<?>) {
for (Class<?> innerClass : ((Class<?>) resource).getDeclaredClasses()) {
addResource(innerClass, indexer, classLoader);
}
}
}
}